Make an Electric Bell


Making an electric bell is an educational and exciting experiment. Start by learning about and making an electromagnet. Use a compass needle and a battery to test the electromagnet. Then use the electromagnet to build a buzzer and finally mount a switch.
While assembling and experimenting with this kit, think of building another bell or buzzer with material that you can find at home or purchase from a local hardware store.

Electric Bell kit includes:

  • Plastic base
  • Bobbin
  • Magnet wire
  • Bell
  • Bell hammer
  • Compass needle
  • Screw and screw driver
  • spring
  • Metal contacts
  • sandpaper

Additional Materials Required: Additional Materials Required for your experiments can be found at home or purchased locally. Some of these material are:

  • Only a D cell battery.

Opportunities for Science Fair Projects
Building a buzzer is a good experimental project. You can experiment on different bells to create different sounds. you can also experiment with different size batteries to compare the battery life.
You may also experiment and compare the buzzer performance based on the number of magnet wire loops around the bobbin.






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